CN217510909U - Dialyzer end cover screwing equipment - Google Patents

Abstract

The utility model provides a cerini dialyser cerini end cover equipment of screwing up, include: a conveyor chain; the supporting device comprises a containing frame and a first lifting cylinder, wherein the containing frame is used for containing the dialyzer, the containing frame is arranged below the conveying chain, and the containing frame is connected with the first lifting cylinder; the position adjusting devices are arranged on two sides of the conveying chain and comprise feeding cylinders, connecting plates and two rotary positioning mechanisms, and the two rotary positioning mechanisms are arranged on the connecting plates and drive the dialyzer to rotate to a preset posture; the connecting plate is arranged on the feeding cylinder; the clamping device comprises a lifting mechanism and a limiting mechanism, and the lifting mechanism is arranged on one side of the position adjusting device; the limiting mechanism is arranged above the conveying chain; the lifting mechanism is used for driving the dialyzer to move towards the direction close to the limiting mechanism; mounting bracket and screwing device, screwing device set up at stop gear both ends. The utility model provides a cerini dialyser cerini end cover is screwed up equipment has solved the problem that degree of automation is low and work efficiency is low when the cerini dialyser cerini end cover is screwed up.

Description

Dialyzer end cover screwing equipment

Technical Field

The utility model relates to a cerini dialyser cerini production field, concretely relates to equipment is screwed up to cerini dialyser cerini end cover.

Background

Currently, hemodialyzers have been widely used in clinical applications. Hemodialysis can effectively prolong the life of patients with uremia, renal insufficiency and the like. A dialyzer generally includes a housing, hollow fibers disposed in the housing, a blood inlet, a blood outlet, a dialysate outlet, and a dialysate inlet disposed at two ends of the housing.

In both the leakage detection and microwave drying processes, mechanical pressure and thermal stress may cause some end caps to loosen. Therefore, after the two steps of leak detection and microwave drying, it is necessary to confirm that the end cap is in the correct position. Because the end cover is screwed up and needs great torsion, it is comparatively time-consuming and laborious to screw up manually, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an equipment is screwed up to cerini dialyser cerini end cover to degree of automation is low and the problem that work efficiency is low when solving the cerini dialyser cerini end cover and screwing up.

The utility model provides a cerini dialyser cerini end cover equipment of screwing up, include:

a conveyor chain for transporting the dialyzers is provided,

the supporting device comprises a containing frame and a first lifting cylinder, the containing frame is used for containing the dialyzer, the containing frame is arranged below the conveying chain and is connected with the first lifting cylinder, and the first lifting cylinder drives the containing frame to lift in the vertical direction;

the position adjusting devices are arranged on two sides of the conveying chain and comprise feeding cylinders, connecting plates and two rotary positioning mechanisms, the two rotary positioning mechanisms are arranged on the connecting plates and are respectively arranged on two sides of the containing frame and used for driving the dialyzer to rotate to a preset posture; the connecting plate is arranged on the feeding cylinder, and the feeding cylinder drives the rotary positioning mechanism to move towards or away from the accommodating frame;

the clamping device comprises a lifting mechanism and a limiting mechanism, and the lifting mechanism is arranged on one side of the position adjusting device and is positioned below the conveying chain; the limiting mechanism is arranged above the conveying chain; the lifting mechanism is used for driving the dialyzer to move towards the direction close to the limiting mechanism;

the holding frame, the feeding cylinder, the lifting mechanism, the limiting mechanism and the screwing device are all arranged on the mounting frame; the screwing device is arranged at two ends of the limiting mechanism.

Optionally, the rotary positioning mechanism comprises a direction-adjusting turntable, a tilt cylinder and a positioning column for pushing a side tube of the dialyzer to rotate, the tilt cylinder and the direction-adjusting turntable are respectively arranged on two sides of the connecting plate, and the tilt cylinder is connected with the direction-adjusting turntable; the positioning column is arranged on the periphery of the direction-adjusting turntable.

Optionally, the supporting device further comprises a rotating mechanism and a supporting mechanism, the supporting mechanism is mounted on the mounting frame, and the accommodating frame is mounted on the supporting mechanism; the rotating mechanism comprises a rotating motor, a driving wheel, a first rotating wheel set and a second rotating wheel set, the first rotating wheel set and the second rotating wheel set respectively comprise a driving wheel, a driven wheel and a rotating shaft, and the rotating shaft penetrates through the accommodating frame; the driving wheel and the driven wheel are respectively arranged at two ends of the rotating shaft; the driving wheel is arranged between the two driving wheels and is respectively meshed with the two driving wheels; the rotating motor is arranged on the accommodating frame; the driving wheel is arranged on one side of the containing frame and meshed with the driving wheel of the first rotating wheel set.

Optionally, the supporting mechanism includes a supporting frame and a supporting plate, and the supporting frame is mounted on the mounting frame; the supporting plate is arranged on the supporting frame, and the containing frame is arranged on the supporting plate.

Optionally, the lifting mechanism comprises a mounting seat, a second lifting cylinder, a lifting plate, a support for placing the dialyzer and a positioning member for fixing the dialyzer, the mounting seat is mounted on the mounting frame and located below the conveyor chain; the second lifting cylinder is arranged on the mounting seat; the lifting plate is arranged on the second lifting cylinder; the supporting piece and the positioning piece are both arranged on the lifting plate; the second lifting cylinder is used for driving the supporting piece and the positioning piece to move towards the direction close to or far away from the limiting mechanism.

Optionally, the support comprises a support rod and a V-shaped block for placing the dialyzer, the support rod is mounted on the lifting plate, and the V-shaped block is mounted at one end of the support rod away from the lifting plate;

the positioning piece comprises side plates and a positioning block, and the side plates are arranged on two sides of the support piece; the positioning block is arranged at the upper end of the side plate, and a containing hole for containing a dialyzer side tube is formed in the positioning block.

Optionally, the lifting mechanism further comprises a guide assembly, the guide assembly comprises a guide post and a guide shaft sleeve, the guide shaft sleeve is mounted on the mounting seat, the guide post extends vertically, one end of the guide post is connected with the lifting plate, and the other end of the guide post is inserted into the guide shaft sleeve in a sliding manner.

Optionally, the limiting mechanism comprises a fixing block, a locking bolt, a limiting block, an adjusting plate and an adjusting handle for adjusting the height of the limiting block, and the fixing block is mounted on the mounting frame; the adjusting plate is mounted on the fixed block, and the lower end of the adjusting plate is provided with the limiting block; the adjusting handle and the locking bolt are installed on the adjusting plate and connected with the fixing block to adjust the height of the limiting block.

Optionally, the screwing device comprises a bottom plate, a screwing mechanism and a moving mechanism, the moving mechanism comprises a sliding plate and a sliding cylinder, and the sliding plate is mounted on the upper surface of the bottom plate; the sliding cylinder is arranged on one surface of the bottom plate, which is far away from the sliding plate, and is connected with the sliding plate and used for driving the sliding plate to move towards the limiting mechanism;

the screwing mechanism comprises a bearing seat, an end cover clamping jaw, a screwing motor and a torque deflector rod for controlling torque, and the bearing seat is arranged on the sliding plate; the end cover clamping jaw is rotatably arranged on the bearing seat; the screwing motor is connected with the end cover clamping jaw through the bearing seat; the torque deflector rod is connected with the screwing motor.

Optionally, the dialyzer further comprises a code scanning device, the code scanning device comprises a code scanner and a sensor for detecting the dialyzer, the code scanner is arranged above the supporting device, and the code scanner and the sensor are both mounted on the mounting frame.

The utility model discloses an equipment is screwed up to cerini dialyser cerini end cover moves cerini dialyser cerini to position adjustment device department from the transfer chain through bearing device, and two rotary positioning mechanism of feed cylinder drive move to the position of cerini dialyser cerini for the cerini dialyser cerini is located between two rotary positioning mechanism, and the gesture of placing of the rotary positioning mechanism adjustment cerini dialyser cerini of being convenient for. Through the cooperation of the lifting mechanism and the limiting mechanism, the dialyzer after the posture is adjusted is clamped tightly, and the screwing device screws the end cover of the dialyzer. The whole process is fully automatically operated, labor is saved, the operation is simple, the working efficiency is improved, and the sealing requirement required by the product can be met.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

figure 1 is a schematic structural view of a dialyzer end cap tightening apparatus according to one embodiment of the present invention;

figure 2 is a schematic view of a position adjustment device of a dialyzer end cap tightening apparatus according to one embodiment of the present invention;

figure 3 is a top view of a position adjustment device of a dialyzer end cap tightening apparatus according to one embodiment of the present invention;

figure 4 is a schematic view of a turning mechanism of a dialyzer end cap tightening apparatus according to one embodiment of the present invention;

figure 5 is a schematic view of a support mechanism of a dialyzer end cap tightening apparatus according to one embodiment of the present invention;

figure 6 is a schematic diagram of a lifting mechanism of a dialyzer end cap tightening apparatus according to one embodiment of the present invention;

figure 7 is a schematic view of a dialyzer end cap tightening apparatus according to one embodiment of the present invention.

Detailed Description

As shown in fig. 1-7, the embodiment of the utility model provides an equipment is screwed up to cerini dialyser cerini end cover, including being used for transporting conveying chain, the supporting device 10, position adjusting device 20, clamping device, mounting bracket 3 of cerini dialyser cerini and being used for screwing the device 40 of screwing of cerini dialyser cerini end cover.

The supporting device 10 comprises a containing frame 11 for containing a dialyzer and a first lifting cylinder 12, the containing frame 11 is arranged below a conveying chain, the containing frame 11 is connected with the first lifting cylinder 12, and the first lifting cylinder 12 drives the containing frame 11 to lift along the vertical direction.

The position adjusting device 20 is arranged on two sides of the conveying chain and comprises a feeding cylinder 21, a connecting plate 22 and two rotary positioning mechanisms 23, wherein the two rotary positioning mechanisms 23 are arranged on the connecting plate 22 and respectively arranged on two sides of the containing frame 11, and the two rotary positioning mechanisms 23 drive the dialyzer to rotate to a preset posture. The connecting plate 22 is mounted on the feeding cylinder 21, and the feeding cylinder 21 drives the rotary positioning mechanism 23 to move toward or away from the accommodating frame 11. Specifically, the feed cylinder 21 is mounted on the mounting frame 3 by a mounting plate 24, and two rotary positioning mechanisms 23 adjust the side tubes of the dialyzer to be placed vertically downward.

The clamping device comprises a lifting mechanism 50 and a limiting mechanism 60, wherein the lifting mechanism 50 is arranged on one side of the position adjusting device 20 and is positioned below the conveying chain. The stop mechanism 60 is disposed above the conveyor chain. The lifting mechanism 50 is used for driving the dialyzer to move towards the direction close to the limiting mechanism 60.

The mounting frame 3, the screwing device 40 for screwing the dialyzer end cover, the containing frame 11, the feeding cylinder 21, the lifting mechanism 50, the limiting mechanism 60 and the screwing device 40 are all mounted on the mounting frame 3. The tightening means 40 are provided at both ends of the stop mechanism 60.

Specifically, the number of the housing rack 11 is at least one, and the number of the screwing devices 40 is at least 2.

In this embodiment, the dialyzer is moved from the conveyor chain to the position adjusting device 20 by the supporting device 10, and the feeding cylinder 21 drives the two rotary positioning mechanisms 23 to move to the position of the dialyzer, so that the dialyzer is located between the two rotary positioning mechanisms 23, and the rotary positioning mechanisms 23 are convenient to adjust the placing posture of the dialyzer. The posture-adjusted dialyzer is clamped through the matching of the lifting mechanism 50 and the limiting mechanism 60, and the end cover of the dialyzer is screwed down by the screwing device 40. The whole process is fully automatically operated, labor is saved, the operation is simple, the working efficiency is improved, and the sealing requirement required by the product can be met.

As shown in fig. 2 and 3, in some embodiments of the present invention, the rotary positioning mechanism 23 includes a direction-adjusting turntable 231, a tilt cylinder 232 and a positioning column 233 for pushing the side tube of the dialyzer, the tilt cylinder 232 and the direction-adjusting turntable 231 are respectively disposed on two sides of the connecting plate 22, and the tilt cylinder 232 is connected to the direction-adjusting turntable 231. The positioning post 233 is mounted on the outer periphery of the direction-adjusting turntable 231. The feeding cylinder 21 pushes the two direction-adjusting turntables 231 to extend out, so that the dialyzer is positioned between the two direction-adjusting turntables 231, and the tilt cylinder 232 drives the direction-adjusting turntables 231 to rotate, so that the positioning column 233 on one of the direction-adjusting turntables 231 collides with a side tube of the dialyzer, and pushes the side tube of the dialyzer to rotate to the vertical direction. By arranging the direction-adjusting rotary disc 231 and the positioning column 233, the placing posture of the dialyzer is not required to be adjusted manually.

As shown in fig. 4, in some embodiments of the present invention, the supporting device 10 further comprises a rotating mechanism and a supporting mechanism, the supporting mechanism is installed on the mounting frame 3, and the accommodating frame 11 is installed on the supporting mechanism. The rotating mechanism comprises a rotating motor 13, a driving wheel 14, a driving wheel 15, a first rotating wheel set 16 and a second rotating wheel set 17, the first rotating wheel set 16 and the second rotating wheel set 17 both comprise a driving wheel 161, a driven wheel 162 and a rotating shaft, and the rotating shaft penetrates through the accommodating frame 11. The driving pulley 161 and the driven pulley 162 are respectively installed at both ends of the rotation shaft. The transmission wheel 15 is disposed between the two driving wheels 161 and is engaged with the two driving wheels 161 respectively. The rotating electric machine 13 is mounted on the housing 11. The driving wheel 14 is disposed at one side of the accommodating frame 11 and engaged with the driving wheel 161 of the first rotating wheel set 16. Further, the upper surface of the containing frame 11 is provided with an arc-shaped groove, the arc-shaped groove is located between the first rotating wheel set 16 and the second rotating wheel set 17, so that the dialyzer can be conveniently placed, and when the direction-adjusting rotary disc 231 drives the dialyzer to rotate, the first rotating wheel set 16 and the second rotating wheel set 17 drive the dialyzer to rotate so that the dialyzer is adjusted to a preset posture. Specifically, the housing rack 11 is provided with a photoelectric sensor 18 for detecting the dialyzer on one side.

As shown in fig. 5, in some embodiments of the present invention, the supporting mechanism includes a supporting frame 18 and a supporting plate 19, and the supporting frame 18 is mounted on the mounting frame 3. The supporting plate 19 is mounted on the supporting frame 18, and the accommodating frame 11 is mounted on the supporting plate 19. Specifically, the support frame 18 is an aluminum frame.

As shown in fig. 6, in some embodiments of the present invention, the lifting mechanism 50 comprises a mounting seat 51, a second lifting cylinder 52, a lifting plate 53, a supporting member 54 for placing the dialyzer, and a positioning member 55 for fixing the dialyzer, wherein the mounting seat 51 is mounted on the mounting frame 3 and located below the conveyor chain. The second elevation cylinder 52 is mounted on the mount base 51. The elevating plate 53 is mounted on the second elevating cylinder 52. The support member 54 and the positioning member 55 are mounted on the elevating plate 53. The second elevating cylinder 52 is used for driving the supporting member 54 and the positioning member 55 to move toward or away from the position-limiting mechanism 60.

As shown in fig. 6, in some embodiments of the present invention, the supporting member 54 comprises a supporting rod and a V-shaped block 541 for placing the dialyzer, the supporting rod is installed on the lifting plate 53, and the V-shaped block 541 is installed at one end of the supporting rod away from the lifting plate 53. The positioning member 55 includes a side plate 551 and a positioning block 552, and the side plate 551 is disposed outside the supporting rod. Locating piece 552 is installed in curb plate 551 upper end, offers the holding hole that is used for holding cerini dialyser cerini side pipe on the locating piece 552, and when the cerini dialyser cerini side pipe was placed vertically downwards, the fixed cerini dialyser cerini of being convenient for. Specifically, the number of the supporting members 54 and the positioning members 55 is at least 1.

As shown in fig. 6, in some embodiments of the present invention, the lifting mechanism 50 further includes a guiding assembly 56, the guiding assembly 56 includes a guiding column 561 and a guiding axle sleeve 562, the guiding axle sleeve 562 is installed on the installation base 51, the guiding column 561 extends vertically, one end of the guiding column 561 is connected to the lifting plate 53, and the other end of the guiding column 561 is slidably inserted into the guiding axle sleeve 562. Specifically, the number of the guide assemblies 56 is at least 2, which ensures that the lifting plate 53 is lifted in the vertical direction.

As shown in fig. 7, in some embodiments of the present invention, the limiting mechanism 60 includes a fixing block 61, a locking bolt 62, a limiting block 63, an adjusting plate 64 and an adjusting handle 65 for adjusting the height of the limiting block 63, and the fixing block 61 is mounted on the mounting frame 3. The adjusting plate 64 is mounted on the fixing block 61, and the lower end of the adjusting plate 64 is provided with a limiting block 63. The adjusting handle 65 and the locking bolt 62 are both mounted on the adjusting plate 64 and connected with the fixing block 61 to adjust the height of the limiting block 63. Specifically, the lower surface of the limiting block 63 is provided with a V-shaped groove, so that the dialyzer can be conveniently compressed.

In some embodiments of the present invention, the screwing device 40 includes a bottom plate, a screwing mechanism and a moving mechanism, the moving mechanism includes a sliding plate and a sliding cylinder, and the sliding plate is installed on the upper surface of the bottom plate. The sliding cylinder is installed on the side, deviating from the sliding plate, of the bottom plate and connected with the sliding plate, and is used for driving the sliding plate to move towards the limiting mechanism 60. The screwing mechanism comprises a bearing seat, an end cover clamping jaw, a screwing motor and a torque deflector rod for controlling torque, and the bearing seat is arranged on the sliding plate. The end cap jaws are rotatably mounted on the bearing block. The screwing motor is connected with the end cover clamping jaw through a bearing seat. The torque deflector rod is connected with the screwing motor. The lifting mechanism 50 drives the dialyzer to rise to the limiting block 63, when the dialyzer is clamped tightly, the sliding cylinder drives the sliding plate to move towards the dialyzer, the end cover clamping jaw is buckled on an end cover of the dialyzer to clamp an end cover, the screwing motor is started, and the end cover clamping jaw rotates to screw the end cover of the dialyzer tightly. Specifically, the screwing motor is a motor reduction gearbox encoder.

In some embodiments of the present invention, the bearing seat includes a vertical plate, a base, a transmission rod, a flange rotating shaft, a first bearing and a second bearing. A first bearing is installed in the vertical plate, and a second bearing is installed in the base. The first bearing sleeve is established in the transfer line outside, and the flange pivot is installed to the one end that the first bearing was kept away from to the transfer line, and flange pivot overcoat is equipped with the second bearing. The screwing motor is connected with the flange rotating shaft through a second bearing.

As shown in fig. 7, in some embodiments of the present invention, the present invention further comprises a code scanning device, the code scanning device comprises a code scanner 71 and a sensor 72 for detecting the position of the dialyzer side tube, the code scanner 71 is disposed above the supporting device 10, and both the code scanner 71 and the sensor 72 are mounted on the mounting frame 3. As the dialyzer rotates, the code scanner 71 reads the dialyzer information.

The working process of the dialyzer end cover screwing equipment comprises the following steps: the dialyser is transported by the conveyor chain between the two rotary positioning means 23 and stays in this position. The first lifting cylinder 12 extends out, and the dialyzer is driven by the containing frame 11 to move upwards. The rotating motor 13 rotates to rotate the dialyzer through the first rotating wheel set 16 and the second rotating wheel set 17, and the code scanner 71 scans the code of the dialyzer. The direction-adjusting turntables 231 of the rotary positioning mechanism 23 are all extended, and two adjacent direction-adjusting turntables 231 limit the position of the dialyzer. The direction-adjusting rotary disc 231 is driven by the oscillating cylinder 232 to rotate, and the position of the dialyzer side tube is adjusted to be vertical downward through the positioning column 233. The feeding cylinder 21 drives the direction-adjusting rotary disc 231 to withdraw, the first lifting cylinder 12 drives the dialyzer to descend, the dialyzer is placed back to the conveying chain, and then the dialyzer is conveyed between the two oppositely-arranged screwing mechanisms.

The second lifting cylinder 52 drives the lifting plate 53 to rise, and the guide post slides in the guide sleeve until the V-shaped block drives the dialyzer to contact the limiting block 63. The dialyzer side tube is now inserted into the receiving bore of the positioning block 552, where the dialyzer remains fixed. The sliding cylinder is started to drive the end cover clamping jaw to fasten the end cover of the dialyzer. Then the motor is screwed to drive the end cover clamping jaw to rotate so as to screw the end cover of the dialyzer tightly. After the end cover of the dialyzer is screwed down, the screwing motor is closed, and the sliding cylinder drives the end cover clamping jaw to be far away from the dialyzer. The second lifting cylinder 52 drives the lifting plate 53 to descend, and the dialyzer is put back on the conveyor chain and transported to the next process.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A dialyzer end cap tightening apparatus comprising:

a conveyor chain for transporting the dialyzers is provided,

the supporting device comprises a containing frame and a first lifting cylinder, the containing frame is used for containing the dialyzer, the containing frame is arranged below the conveying chain, the containing frame is connected with the first lifting cylinder, and the first lifting cylinder drives the containing frame to lift along the vertical direction;

the position adjusting devices are arranged on two sides of the conveying chain and comprise feeding cylinders, connecting plates and two rotary positioning mechanisms, the two rotary positioning mechanisms are arranged on the connecting plates and are respectively arranged on two sides of the containing frame and used for driving the dialyzer to rotate to a preset posture; the connecting plate is arranged on the feeding cylinder, and the feeding cylinder drives the rotary positioning mechanism to move towards or away from the accommodating frame;

the clamping device comprises a lifting mechanism and a limiting mechanism, wherein the lifting mechanism is arranged on one side of the position adjusting device and is positioned below the conveying chain; the limiting mechanism is arranged above the conveying chain; the lifting mechanism is used for driving the dialyzer to move towards the direction close to the limiting mechanism;

the holding frame, the feeding cylinder, the lifting mechanism, the limiting mechanism and the screwing device are all arranged on the mounting frame; the screwing devices are arranged at two ends of the limiting mechanism.

2. The dialyzer end cap tightening apparatus of claim 1, wherein the rotational positioning mechanism comprises a direction regulating turntable, a tilt cylinder and a positioning post for pushing a side tube of the dialyzer to rotate, the tilt cylinder and the direction regulating turntable are respectively disposed on two sides of the connecting plate, and the tilt cylinder is connected with the direction regulating turntable; the positioning column is arranged on the periphery of the direction-adjusting turntable.

3. The dialyzer end cap tightening apparatus of claim 1, wherein the holding device further comprises a rotation mechanism and a support mechanism, the support mechanism being mounted on the mounting frame, the containment frame being mounted on the support mechanism; the rotating mechanism comprises a rotating motor, a driving wheel, a first rotating wheel set and a second rotating wheel set, the first rotating wheel set and the second rotating wheel set respectively comprise a driving wheel, a driven wheel and a rotating shaft, and the rotating shaft penetrates through the accommodating frame; the driving wheel and the driven wheel are respectively arranged at two ends of the rotating shaft; the driving wheel is arranged between the two driving wheels and is respectively meshed with the two driving wheels; the rotating motor is arranged on the accommodating frame; the driving wheel is arranged on one side of the containing frame and meshed with the driving wheel of the first rotating wheel set.

4. The dialyzer end cap tightening apparatus of claim 3, wherein the support mechanism comprises a support frame and a support plate, the support frame being mounted to the mounting bracket; the supporting plate is arranged on the supporting frame, and the containing frame is arranged on the supporting plate.

5. The dialyzer end cap tightening apparatus of claim 1, wherein the lifting mechanism comprises a mount, a second lift cylinder, a lift plate, a support for placing the dialyzer, and a positioning member for securing the dialyzer, the mount being mounted on the mount below the conveyor chain; the second lifting cylinder is arranged on the mounting seat; the lifting plate is arranged on the second lifting cylinder; the supporting piece and the positioning piece are both arranged on the lifting plate; the second lifting cylinder is used for driving the supporting piece and the positioning piece to move towards the direction close to or far away from the limiting mechanism.

6. The dialyzer end cap tightening apparatus of claim 5, wherein the support comprises a support bar mounted on the lifting plate and a V-block for placement of the dialyzer, the V-block being mounted at an end of the support bar distal from the lifting plate;

the positioning piece comprises a side plate and a positioning block, and the side plate is arranged on the outer side of the supporting rod; the positioning block is arranged at the upper end of the side plate, and a containing hole for containing a dialyzer side tube is formed in the positioning block.

7. The dialyzer end cap tightening apparatus of claim 5, wherein the lifting mechanism further comprises a guide assembly comprising guide posts and guide bushings mounted on the mount, the guide posts extending vertically with one ends of the guide posts connected to the lifting plate and the other ends of the guide posts slidably inserted into the guide bushings.

8. The dialyzer end cap tightening apparatus of claim 1, wherein the stop mechanism comprises a fixed block, a locking bolt, a stop block, an adjustment plate, and an adjustment handle for adjusting the height of the stop block, the fixed block being mounted on the mounting bracket; the adjusting plate is mounted on the fixed block, and the lower end of the adjusting plate is provided with the limiting block; the adjusting handle and the locking bolt are installed on the adjusting plate and connected with the fixing block to adjust the height of the limiting block.

9. The dialyzer end cap tightening apparatus of claim 1, wherein the tightening device comprises a base plate, a tightening mechanism, and a moving mechanism comprising a slide plate and a slide cylinder, the slide plate being mounted to an upper surface of the base plate; the sliding cylinder is arranged on one surface of the bottom plate, which is far away from the sliding plate, and is connected with the sliding plate and used for driving the sliding plate to move towards the limiting mechanism;

the screwing mechanism comprises a bearing seat, an end cover clamping jaw, a screwing motor and a torque deflector rod for controlling torque, and the bearing seat is arranged on the sliding plate; the end cover clamping jaw is rotatably arranged on the bearing seat; the screwing motor is connected with the end cover clamping jaw through the bearing seat; the torque deflector rod is connected with the screwing motor.

10. The dialyzer end cap tightening apparatus of claim 1, further comprising a code scanner disposed above the holder and a sensor for detecting the dialyzer, the code scanner and the sensor both being mounted on the mounting frame.

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